Improve documentation of osl_rbtree_loop().

Mention that E_OSL_LOOP is the only possible error. Fix a few trivial
whitespace issues and a typo while at it.

diff --git a/osl.h.in b/osl.h.in
index 2abe135d7967446643aa6a803656aaa85b754d14..3d21439719c3277bbd9d181d717cf82df7244e6b 100644 (file)
--- a/osl.h.in
+++ b/osl.h.in
@@ -302,7 +302,6 @@ int osl_close_disk_object(struct osl_object *obj);
 int osl_add_and_get_row(struct osl_table *t, struct osl_object *objects,
        struct osl_row **row);
 
-
 /**
  * Add a new row to an osl table.
  *
@@ -324,7 +323,7 @@ int osl_add_row(struct osl_table *t, struct osl_object *objects);
  * This removes all disk storage objects, removes all rbtree nodes,  and frees
  * all volatile objects belonging to the given row. For mapped columns, the
  * data is merely marked invalid and may be pruned from time to time by
- * osl_fsck.
+ * oslfsck.
  *
  * \return Standard.
  */
@@ -347,9 +346,9 @@ int osl_del_row(struct osl_table *t, struct osl_row *row);
  * second argument. The loop terminates either if \a func returns a negative
  * value, or if all nodes of the tree have been visited.
  *
- *
  * \return Standard. If the termination of the loop was caused by \a func
- * returning a negative value, \p -E_OSL_LOOP is returned.
+ * returning a negative value, \p -E_OSL_LOOP is returned. This is the only
+ * possible error.
  *
  * \sa osl_storage_flags, osl_rbtree_loop_reverse(), osl_compare_func.
  */
@@ -408,7 +407,6 @@ int osl_update_object(struct osl_table *t, const struct osl_row *r,
  */
 int osl_get_num_rows(const struct osl_table *t, unsigned *num_rows);
 
-
 /**
  * Get the row corresponding to the smallest rbtree node of a column.
  *